Submission + - Pricing hacks of online retailers (dodgycoder.net)
damian2k writes: The well known and less well known tricks that online retailers employ to encourage you to buy products and services from their website. Pricing hacks of online retailers covers tricks such as the power of "free", per-customer limits, dynamic pricing, time limits, the 9 factor, easy math, pay what you want, freemium, no dollar signs and X for $X.